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SAFFRONHEART (Halfordia papuana)

Trade Name

Saffronheart

Scientific Name

Halfordia papuana Lauterb.

Family

RUTACEAE

Common Names

Saffronheart

Description Of The Tree

Botanical Description

It is a small to medium-sized tree up to 30 m tall. The bole is branchless for up to 12 m, up to 50 cm in diameter, often irregular and fluted, sometimes with small buttresses.

Natural Habitat

This tree is found scattered in submontane and montane rain forest between 1,200 and 2,700m, mostly confined to the Bulolo/Wau region in Morobe Province.

Natural Distribution

It is a native of Papua New Guinea and occurs in mixed formation in areas of heavy rains.

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Wood Identification

Anatomic Description Of Wood

Wood diffuse porous. Occasionally vessel clusters common. Tyloses common. Vessels per mm2 5 to 20. Vessel-ray pits reticulate and/or foraminate. Simple perforation plates. Intervessel pits medium, 7 to 10 micras. Axial parenchyma absent or extremely rare, non visible with magnifying glass (8x). Paratracheal axial parenchyma scanty and/or vasicentric. 3 to 4 cells per parenchyma strand. 5 to 8 cells per parenchyma strand. 4 to 10 rays per mm (medium). Occasionally rays exclusively uniseriate. Silica bodies in the ray cells. Prismatic crystals in radial alignment in procumbent ray cells (chambered cells). Body ray cells procumbent with one row of upright and/or square marginal Septate fibers present. Fibers very thin walled. Fibers with simple to minutely bordered pits.

Availability

Cites Status

Unrestricted

General Wood Description

Color

The heartwood and sapwood are pale saffron to yellowish-brown.

Grain

The grain is reported to be straight or interlocked.

Texture

This wood has a fine texture.

Natural Durability

This species is very durable when exposed to the weather or in contact with the ground.

Natural durability index (1= Very high durability, 7=Vey low durability)

1

Resistance To Impregnation

The heartwood of this species is very durable, it does not require a preservative treatment.

Wood Physical Properties

Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)

0.89

Air-dry Density (Weight and volume at 12%MC) (g/cm³)

1.04

Total shrinkage Tangential (Saturated to 0%MC) (%)

13.1

Total shrinkage Radial (Saturated to 0%MC) (%)

7.0

Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)

1.9

Wood Chemical Properties

Wood Mechanical Properties

Workability

Boring

Boring is reported to be easy.

Nailing

The wood nails well, but pre-boring is necessary.

Gluing

Some difficulties may appear due to its oily nature

Finishing

It gives a good finish, but interlocked grain tends to pick up.

Polishing

Polishing of this species is reportedly easy.

REFERENCED USES

End Uses Summary

EXTERIOR GENERAL, bridges, poles, stakes posts, HOUSING GENERAL, flooring, frames, SPORTS, golf polo clubs, TOOLS, tool handles, NAVAL CONSTRUCTION, boat deck, port pillar, port storage

Exterior General
  • 1 - Tabela de resultados de ensaios fisicos e mecanicos
Bridges
  • 2 - 25 madeiras da amazonia de valor comercial, caracterizacao, macroscopica, usos comuns e indices qualificativos
Poles
  • 3 - Estudo dendrologico e determinacao das caracteristicas fisicas e mecanicas do genipapo (Genipa americana)
Stake Posts
  • 5 - Propriedades fisicas e mecanicas da madeira e do contraplacado de Pinus elliottii
General Housing
  • 10 - Silica in Timbers
Flooring
  • 14 - Handbook of Hardwoods
Frames
  • 16 - Woods of the World
Sports
  • 38 - Annual Review and Assessment of the World Timber Situation 1998-ITTO
Club Golfpolo
  • 39 - Internet
Tools
  • 42 - Utilización Industrial de Nuevas Especies Forestales en el Perú.
Tool Handles
  • 43 - Maderas de Bolivia (Características y Usos de 55 Maderas Tropicales)
Shipbuilding
  • 55 - Tropical Timber Atlas of Latin America
Boat Decking
  • 59 - Programa Nacional de uso Sostenible de los Bosques e Incremento a las Exportaciones.
Port Pillar
  • 61 - Manual de Diseño para Maderas del Grupo Andino
Port Storage
  • 62 - Estudio Tecnológico de Maderas del Perú (Zona Pucallpa) Vol I

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